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Finding the Fourth Proportional to 327,546.73, 490,532.76 and 186,878.89

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Solution

The fourth proportional to 327,546.73, 490,532.76 and 186,878.89 is: 279,869.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,546.73 : 490,532.76 = 186,878.89 : x
  2. Step 2: Convert to fraction form
    327,546.73/490,532.76 = 186,878.89/x
  3. Step 3: Cross multiply
    327,546.73x = 490,532.76 × 186,878.89
  4. Step 4: Simplify right side
    327,546.73x = 91,670,217,697.44
  5. Step 5: Solve for x
    x = 91,670,217,697.44/327,546.73
  6. Step 6: Final answer
    x = 279,869.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.